Description
Class F24F : AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
Subclass 1/28: Room units, e.g. separate or self-contained units or units receiving primary air from a central station Separate outdoor units, e.g. outdoor unit to be linked to a separate room unit comprising a compressor and a heat exchanger Refrigerant piping for connecting several separate outdoor units